in three positive numbers a, b and c are in A.P. such that abc = 8, then the minimum possible value of b is

If three positive real numbers a,b, c are in A.P such that abc = 4, then the minimum possible value of b is

If three positive real numbers a, b, c are in A.P and abc = 4 , then the minimum possible value of b is

If three positive real numbers a, b, c are in A.P. such that abc = 4, then the minimum value of b is

If three positive real numbers a,b,c are in A.P. such that abc=4, then the minimum value of b is

If three positive real numbers a,b,c are in AP such that abc=4, then the minimum value of b is

If three positive real numbers a,b,c are in AP such that abc=4, then the minimum value of b is

If three positive real numbers a,b,c are in A.P.sich that abc=4, then the minimum value of b is a..2^(1/3) b.2^(2) c.2^(1/2) d.2^(3/23)